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			<a href="http://localhost/guofeng/index.php">首页</a><span>&nbsp;>膜分离与超滤膜技术</span>
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							<td><span>膜技术是一门新兴的分离技术，广泛应用于水处理、食品加工、化工、制药等领域。膜分离技术代表着未来水处理发展的时代潮流，被称为21世纪最具发展前景的技术之一。水处理中常用的膜技术包括微滤、超滤、纳滤、和反渗透4种。通常可针对不同的原水水质。因此属于一种严格的、物理的和“绿色”的分离技术。膜分离过程是以带有极细孔泾的膜为分离介，在膜的一侧加以压力推动时，离技术中，超滤技术在市政供水中应用最为广泛。</span></td>
							<td><img src="/guofeng/data/image/11.JPG"/></td>
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						<td style="color:red;font-size:20px;">超滤膜</td>
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							<td><span>超滤膜的孔径范围约在0.01~0.1μm之间。对水体中的颗粒物、细菌、病毒、胶体、大分子有机物等污染物有很好的去除效果。超滤膜一般为高分子有机膜。以往用作超滤膜的高分子材料主要有纤维素衍生物、聚砜、聚丙烯腈、聚酰胺及聚碳酸酯等，可被做成平面膜、管式膜或中空纤维膜等形式。</span></td>
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						<td style="color:red;font-size:20px;">毛细管式超滤膜原理</td>
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							<td>内压式超滤膜过滤原理</td>
							<td>外压式超滤膜过滤原理</td>
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